Table 1.
Table of hydrodynamic radii of isotropic bicelles determined via DLS and rotational diffusion NMR.
Sample | Hydrodynamic radius (nm) | ||||
---|---|---|---|---|---|
Water Parametersa | Bicelle Parametersb | ||||
DLS, 10°C | DLS, 25°C | DLS, 10°C | DLS, 25°C | NMR, 45°C c |
|
Reconstitution via liposomes, 15N EmrE in DMPC/DHPC bicelles |
3.5 ± 0.8 | 3.0 ± 0.4 | 2.0 ± 0.3 | 2.4 ± 0.3 | 3.2 ± 0.3 |
Reconsitution via detergent exchange, 15N EmrE in DMPC/DHPC bicelles |
3.2 ± 0.8 | 3.0 ± 0.8 | 1.9 ± 0.4 | 2.4 ± 0.6 | 2.9 ± 0.3 |
Reconstitution via liposomes, 2H/15N/13C EmrE in DLPC/DHPC bicelles |
3.6 ± 0.8 | 3.3 ± 0.5 | 2.2 ± 0.5 | 2.6 ± 0.4 | 2.7 ± 0.3 |
RH values determined from DLS, using the viscosity and refractive index of water.
RH values determined from DLS, using the viscosity and refractive index of the isotropic bicelle solution at the given temperature (see methods).
Calculated from rotational correlation time using equation 1.